CE 610852-Power Syst Steaay Stdle Ailys es/ 2019 Spring-ECE 610852/ Midterm Exam/Midterm Exanm QS (16よFor the...
Per unit calculation QUESTION 5 a) Define the Per Unit system and list three (3) main reasons of using Per Unit systemm. (5 marks) b) A three-bus power with two generator system is shown in figure Q2 (b). The 3-phase power and line-line voltage ratings are given below Ti T2 J40 2 Gi G2 j25 Ω 25 Ω Ty Figure Q2 (b) GI: 750 MVA, 18 kV, X 7% G2: 750 MVA, 18 kV, X-15% Motor: 1500 MVA, 20 kV,...
1. The one-line diagram of a three-pha se power system is shown in Figure 3.29. Select a common base of 100 MVA and 15 kV on the motor side. Draw an impedance diagram with all impedances including the load impedance marked in per-unit. The manufacturer's data for each device is given as follow:The three-phase load at bus 4 absorbs 57 MVA, 0.6 power factor lagging at 10.45 kV. Line 1 and line 2 have reactances of 48.4 Ω and 65.43...
Problem #2: (40 points) The three-phase power and line- given below line ratings of the electric power system shown are G:60 MVA, 20 kV, X = 9% Tr 50 MVA. 20/200 kV.x 1096 T2: 50 MVA, 20020 kV, X 10% M: 43.2 MVA, 18 kV, X 8% Line: 200 kV, Z 120+j200 Ti Line 00-MVA 1. Draw an impedance diagram showing all impedances in per-unit on a1 2. The motor is drawing 40 MVA, 0.8 power factor lagging at a...
The three-phase power and line-line ratings of the electric power system shown in Figure 2 are given below T2 2 Line Vm G M 1 BA Figure 2 One-line diagram for problem 2 G: Ti: T2: Line: M: 60 MVA 50 MVA 50 MVA 20 kV 20/200 kV 200/20 kV 200 kV 18 kV X=9% X=10% X=10% Z=120+j2002 X=8% 43.2 MVA (a) Draw an impedance diagram showing all impedances in per unit on a 100-MVA base. Choose 20 kV as...
2 - The three-phase power and line-line ratings of the electric power system shown in Figure 2 are given below. Ti T2 VA Line 2 G M Vm BE BE Figure 2 One-line diagram for problem 2 G: T: T2: Line: M: 60 MVA 50 MVA 50 MVA 20 kV 20/200 kV 200/20 kV 200 kV 18 kV X=9% X=10% X=10% Z=120+j2002 X=8% 43.2 MVA (a) Draw an impedance diagram showing all impedances in per unit on a 100-MVA base....
The three-phase power and line-line ratings of the electric power system shown in Figure 2 are given below. T1 T2 V. 1 2 vm 9 Line G M Figure 2 One-line diagram for problem 2 G: T1: 60 MVA 50 MVA 50 MVA T2: Line: M: 20 kV 20/200 kV 200/20 kV 200 kV 18 kV X=9% X=10% X=10% Z=120+j200 12 X=8% 43.2 MVA (a) Draw an impedance diagram showing all impedances in per unit on a 100-MVA base. Choose...
Please show me step by step how to get load impedance in per-unit. New load is 1.05+1.4j per unit and new z load is 0.447 per unit Consider the three-phase power system in the figure below. By selecting a common base of 100 MVA and 22 kV on the generator side, draw an impedance diagram showing all impedances, including the load impedance in per-unit. Lines 1 and 2 have series reactances of 48.4 and 65.43 2, respectively. At bus 4,...
Please answer the following question, box your answers, and show all work!! Thank you. 2 - The three-phase power and line-line ratings of the electric power system shown in Figure 2 are given below. T T2 V Line 2 Vm G M Figure 2 One-line diagram for problem 2 60 MVA 20 kV 50 MVA 20/200 kV 50 MVA 200/20 kV 200 kV 43.2 MVA 18 kV TI: T: Line: M: X=9% X=10% X=10% Z=120+j2002 X=8% a) Draw an impedance...
PROBLEM 5 (20 pts]: Draw an impedance diagram for the electric power system given in the Figure 4 showing all impedances in per unit on a 100MVA base. Choose 20/200 kV as the voltage base. If there is a three-phase to ground solid fault at the load bus, what will be fault current taken from generator 1. The three-phase power and line-line ratings are given below. Gl: 90 MVA, 20 kV, X = 9%; TR1: 80 MVA, 20/200 kV, X...
a,b, and c please ECE 411 (Fall 2019) Due 11/28/2019 11:59 pm TAKE HOME ASSIGNMENT Consider the single diagram below, Equipment ratings are: Generator 1: 1000 MVA, 18 kV, X" - 0.2 per unit Generator 2: 1000 MVA, 18 kV, X" - 0.2 Synchronous motor 3: 1500 MVA, 20 kV, X" -0.2 Three-phase A-Y transformers 1000 MVA, 500 kV Y/20 kVA, X-0.1 T, T2, T3, T4 Three-phase Y Y transformer Ts 1500 MVA, 500 kV Y/20 kV Y, X-0.1 1500...